disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/drivers/iio/imu/adis_trigger.c
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@@ -15,8 +15,7 @@
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 #include <linux/iio/trigger.h>
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 #include <linux/iio/imu/adis.h>
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-static int adis_data_rdy_trigger_set_state(struct iio_trigger *trig,
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-						bool state)
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+static int adis_data_rdy_trigger_set_state(struct iio_trigger *trig, bool state)
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 {
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 	struct adis *adis = iio_trigger_get_drvdata(trig);
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@@ -36,18 +35,23 @@
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 static int adis_validate_irq_flag(struct adis *adis)
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 {
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+	unsigned long direction = adis->irq_flag & IRQF_TRIGGER_MASK;
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+
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+	/* We cannot mask the interrupt so ensure it's not enabled at request */
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+	if (adis->data->unmasked_drdy)
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+		adis->irq_flag |= IRQF_NO_AUTOEN;
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 	/*
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 	 * Typically this devices have data ready either on the rising edge or
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 	 * on the falling edge of the data ready pin. This checks enforces that
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 	 * one of those is set in the drivers... It defaults to
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-	 * IRQF_TRIGGER_RISING for backward compatibility wiht devices that
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+	 * IRQF_TRIGGER_RISING for backward compatibility with devices that
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 	 * don't support changing the pin polarity.
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 	 */
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-	if (!adis->irq_flag) {
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-		adis->irq_flag = IRQF_TRIGGER_RISING;
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+	if (direction == IRQF_TRIGGER_NONE) {
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+		adis->irq_flag |= IRQF_TRIGGER_RISING;
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 		return 0;
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-	} else if (adis->irq_flag != IRQF_TRIGGER_RISING &&
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-		   adis->irq_flag != IRQF_TRIGGER_FALLING) {
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+	} else if (direction != IRQF_TRIGGER_RISING &&
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+		   direction != IRQF_TRIGGER_FALLING) {
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 		dev_err(&adis->spi->dev, "Invalid IRQ mask: %08lx\n",
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 			adis->irq_flag);
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 		return -EINVAL;
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@@ -88,5 +92,5 @@
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 	return devm_iio_trigger_register(&adis->spi->dev, adis->trig);
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 }
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-EXPORT_SYMBOL_GPL(devm_adis_probe_trigger);
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+EXPORT_SYMBOL_NS_GPL(devm_adis_probe_trigger, IIO_ADISLIB);
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